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Finding the Third Proportional to 3,520,629.56 and 7,713,959.06

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Solution

The third proportional to 3,520,629.56 and 7,713,959.06 is: 16,901,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,629.56 : 7,713,959.06 = 7,713,959.06 : x
  2. Step 2: Convert to fraction form
    3,520,629.56/7,713,959.06 = 7,713,959.06/x
  3. Step 3: Cross multiply
    3,520,629.56x = 7,713,959.06 × 7,713,959.06
  4. Step 4: Simplify right side
    3,520,629.56x = 59,505,164,417,925.88
  5. Step 5: Solve for x
    x = 59,505,164,417,925.88/3,520,629.56
  6. Step 6: Final answer
    x = 16,901,853.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.